/* ドラミル コーポレートサイト共有 CSS。
   正本は Kai さんの HP 案（ドラミルHP案_エンジニア共有_20260821.zip）のインライン CSS。
   3 ページ（index / company / privacy）で共有するため外部ファイル化し、
   フォーム状態と文書ページ用のスタイルだけ末尾に追加している。 */
:root{
  color-scheme: light;
  --navy:#0E2340;
  --blue:#2C7BE5;
  --teal:#1FB6AE;
  --green:#2FBE7E;
  --ink:#1B2A44;
  --muted:#5A6B84;
  --mist:#F4F7FB;
  --line:#E4EAF2;
  --paper:#FFFFFF;
  --warn:#C0392B;
  --amber:#C98A2E;
  --grad:linear-gradient(120deg,#2C7BE5 0%,#1FB6AE 58%,#2FBE7E 100%);
  --grad-soft:linear-gradient(120deg,rgba(44,123,229,.10),rgba(31,182,174,.10) 60%,rgba(47,190,126,.10));
  --shadow-sm:0 1px 2px rgba(14,35,64,.06),0 2px 8px rgba(14,35,64,.05);
  --shadow-md:0 10px 30px rgba(14,35,64,.10);
  --shadow-lg:0 24px 60px rgba(14,35,64,.18);
  --r:14px;
  --maxw:1120px;
  --jp:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--jp);color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
/* height:auto が無いと、width/height 属性（CLS 対策で付けている）の height が
   presentational hint として残り、width:100% で幅だけ縮んで縦に伸びる */
img{max-width:100%;display:block;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:1rem;font-weight:700;letter-spacing:.13em;color:var(--teal);margin-bottom:14px;display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:15px;height:4px;background:var(--grad);border-radius:2px;flex:none}
h2.sec-title{font-size:clamp(1.5rem,3.2vw,2.2rem);font-weight:900;line-height:1.45;letter-spacing:.01em}
.sec-lead{color:var(--muted);font-size:1.02rem;margin-top:14px;max-width:660px}
section{padding:96px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-family:var(--jp);cursor:pointer;border:none;border-radius:999px;padding:15px 30px;font-size:1rem;transition:.2s transform,.2s box-shadow}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(31,182,174,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(31,182,174,.45)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn .arw{font-size:1.05em;transition:transform .2s}
.btn:hover .arw{transform:translateX(3px)}

/* Header */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo img{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.92rem;font-weight:500;color:var(--navy);transition:color .2s}
.nav-links a:hover{color:var(--teal)}
.nav-cta{padding:11px 22px;font-size:.9rem}

/* Hero */
.hero{position:relative;overflow:hidden;padding:76px 0 92px;
  background:radial-gradient(120% 120% at 85% -10%,rgba(31,182,174,.10),transparent 55%),
             radial-gradient(100% 100% at 5% 0%,rgba(44,123,229,.10),transparent 50%),var(--mist)}
.hero-grid{display:grid;grid-template-columns:1fr 1.06fr;gap:48px;align-items:center;position:relative}
.br-sp{display:none}
.hero h1{font-size:clamp(1.85rem,4.2vw,2.9rem);font-weight:900;line-height:1.42;letter-spacing:.005em}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub-claim{margin-top:20px;font-size:clamp(1.02rem,2vw,1.18rem);font-weight:700;color:var(--navy);display:flex;align-items:center;gap:11px}
.hero .sub-claim .dot{width:9px;height:9px;border-radius:50%;background:var(--grad);flex:none}
.hero p.lead{margin-top:14px;font-size:1.04rem;color:#34435f;max-width:530px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-chips{display:flex;gap:9px;margin-top:34px;flex-wrap:wrap}
.hero-chips .chip{font-size:.83rem;font-weight:500;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;box-shadow:var(--shadow-sm)}
.hero-chips .chip b{color:var(--teal);font-weight:700}
.frame{border-radius:16px;background:#fff;box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden}
.frame img{width:100%;display:block}

/* Hero collage: 5枚を間隔を空けて重ねる */
.hero-stack{position:relative;width:100%;padding-bottom:104%}
.hero-stack .shot{position:absolute;width:80%;border-radius:12px;overflow:hidden;background:#fff;border:1px solid #DCE4EF;box-shadow:0 14px 36px rgba(14,35,64,.15)}
.hero-stack .shot img{width:100%;display:block}
.hero-stack .s1{left:0;top:0;transform:rotate(-3.4deg);z-index:1}
.hero-stack .s2{left:6%;top:14%;transform:rotate(-2deg);z-index:2}
.hero-stack .s3{left:12%;top:28%;transform:rotate(-.8deg);z-index:3}
.hero-stack .s4{left:18%;top:42%;transform:rotate(1deg);z-index:4}
.hero-stack .s5{left:8%;top:56%;width:88%;transform:rotate(2.4deg);z-index:5;box-shadow:0 26px 64px rgba(14,35,64,.24)}
.frame-cap{margin-top:12px;font-size:.76rem;color:var(--muted);text-align:right}

/* Creed */
.creed{background:var(--paper);padding:88px 0 84px;border-bottom:1px solid var(--line)}
.creed-inner{text-align:center;position:relative}
.creed-inner::before{content:"";display:block;width:54px;height:3px;background:var(--grad);border-radius:3px;margin:0 auto 26px}
.creed-lead{font-size:1.05rem;font-weight:700;color:var(--muted);margin-bottom:10px}
.creed-main{font-size:clamp(1.5rem,3.9vw,2.5rem);font-weight:900;line-height:1.55;letter-spacing:.005em}
.creed-main .neg{color:#93A1B5;position:relative;display:inline-block}
.creed-main-2{margin-top:8px}
.creed-main .pos{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.creed-sub{margin-top:26px;font-size:1.04rem;color:#34435f;font-weight:500;max-width:720px;margin-left:auto;margin-right:auto}

/* Problem */
.problem{background:var(--navy);color:#fff;overflow:hidden}
.problem .eyebrow{color:#7FE3D6}
.problem .eyebrow::before{background:linear-gradient(90deg,#2FBE7E,#1FB6AE)}
.problem h2{color:#fff}
.problem .sec-lead{color:#B8C4D8}
.prob-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.prob-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--r);padding:30px 26px}
.prob-card .n{font-family:var(--mono);font-size:.85rem;color:#7FE3D6;font-weight:700}
.prob-card h3{font-size:1.1rem;font-weight:700;margin:12px 0 10px;line-height:1.55}
.prob-card p{font-size:.92rem;color:#B8C4D8;line-height:1.75}
.prob-turn{margin-top:50px;text-align:center;font-size:clamp(1.15rem,2.6vw,1.6rem);font-weight:700;line-height:1.7}
.prob-turn .hl{background:linear-gradient(90deg,#4FD0C4,#5FD98F);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* Insights */
.insights{background:var(--paper)}
.ins-head{text-align:center;display:flex;flex-direction:column;align-items:center}
.ins-head .eyebrow{justify-content:center}
.ins-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:52px}
.ins{border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;background:linear-gradient(180deg,#fff,#FAFCFE);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.ins::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--grad)}
.ins h3{font-size:1.04rem;font-weight:700;line-height:1.6;margin-bottom:8px}
.ins p{font-size:.9rem;color:var(--muted)}
.ins-foot{margin-top:40px;text-align:center;font-size:1.02rem;color:#34435f;font-weight:700}

/* Steps */
.steps{background:var(--mist)}
.steps-head{text-align:center;display:flex;flex-direction:column;align-items:center}
.steps-head .eyebrow{justify-content:center}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 28px;display:flex;flex-direction:column}
.step .num{width:46px;height:46px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:700;font-size:1.15rem;margin-bottom:18px}
.step h3{font-size:1.12rem;font-weight:700;margin-bottom:10px}
.step p{color:var(--muted);font-size:.94rem;margin-bottom:18px}
.step .tag{align-self:flex-start;margin-top:auto;font-size:.8rem;font-weight:700;color:var(--teal);background:rgba(31,182,174,.10);padding:6px 13px;border-radius:999px}

/* Features */
.features{background:var(--paper)}
.grouplabel{display:flex;align-items:center;gap:14px;font-weight:900;font-size:clamp(1.5rem,3.2vw,2.2rem);line-height:1.45;margin:8px 0 10px;flex-wrap:wrap}
.grouplabel .pill{font-size:.8rem;font-weight:700;letter-spacing:.08em;padding:6px 14px;border-radius:999px;white-space:nowrap}
.pill-std{background:var(--navy);color:#fff}
.pill-prem{background:#FBF2DF;color:#8E5E10;border:1px solid #E6D3A6}
.group-sub{color:var(--muted);font-size:1.02rem;margin-bottom:44px;max-width:720px}
.feat{display:grid;grid-template-columns:1fr 1.3fr;gap:48px;align-items:center;margin-bottom:52px}
.feat.flip{grid-template-columns:1.3fr 1fr}
.feat.flip .feat-txt{order:2}
.feat-txt .kicker{font-family:var(--mono);font-size:.76rem;font-weight:700;color:var(--teal);margin-bottom:10px;letter-spacing:.08em}
.feat-txt h3{font-size:1.38rem;font-weight:900;line-height:1.5;margin-bottom:14px}
.feat-txt p{color:#34435f;font-size:1rem}
.feat-txt ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.feat-txt li{position:relative;padding-left:26px;font-size:.94rem;color:#34435f}
.feat-txt li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:9px;border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(-45deg)}
.divider-prem{height:1px;background:var(--line);margin:24px 0 60px}

/* Honesty */
.honesty{background:var(--mist)}
.honesty-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
.honesty-card{border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;background:#fff;box-shadow:var(--shadow-sm)}
.honesty-card .ic{width:44px;height:44px;border-radius:11px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.honesty-card .ic svg{width:22px;height:22px}
.honesty-card h3{font-size:1.08rem;font-weight:700;margin-bottom:8px}
.honesty-card p{color:var(--muted);font-size:.93rem}

/* Pricing */
.pricing{background:var(--paper)}
.price-head{text-align:center;display:flex;flex-direction:column;align-items:center}
.price-head .eyebrow{justify-content:center}
.price-model{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;margin-top:52px}
.price-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-md);overflow:hidden}
.price-card .top{background:var(--navy);color:#fff;padding:26px 30px}
.price-card .top h3{font-size:1.14rem;font-weight:700}
.price-card .top p{font-size:.88rem;color:#B8C4D8;margin-top:6px}
.price-items{padding:12px 30px 8px}
.price-item{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.price-item:last-child{border-bottom:none}
.price-item .l b{display:block;font-weight:700;font-size:1rem}
.price-item .l span{display:block;font-size:.84rem;color:var(--muted);margin-top:3px}
.price-item .r{font-family:var(--mono);font-weight:700;color:var(--teal);white-space:nowrap;font-size:.9rem}
.price-notes{background:var(--mist);border:1px solid var(--line);border-radius:18px;padding:30px;display:flex;flex-direction:column;gap:18px}
.price-notes h4{font-size:1.02rem;font-weight:700}
.price-notes .note{display:flex;gap:12px;align-items:flex-start}
.price-notes .note .dot{margin-top:9px;width:7px;height:7px;border-radius:50%;background:var(--grad);flex:none}
.price-notes .note p{font-size:.92rem;color:#34435f}
.price-notes .note p b{color:var(--navy)}
.price-cta{margin-top:36px;text-align:center}
.price-cta .small{color:var(--muted);font-size:.9rem;margin-bottom:16px}

/* Company */
.company{background:var(--mist)}
.comp-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.comp-mission{background:var(--navy);border-radius:20px;padding:48px 42px;color:#fff;position:relative;overflow:hidden}
.comp-mission::after{content:"";position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;background:var(--grad);filter:blur(30px);opacity:.35;border-radius:50%}
.comp-mission .eyebrow{color:#7FE3D6}
.comp-mission h3{font-size:1.85rem;font-weight:900;line-height:1.5;position:relative}
.comp-mission p{color:#B8C4D8;margin-top:18px;font-size:.96rem;position:relative}
.comp-table{width:100%;border-collapse:collapse}
.comp-table th,.comp-table td{text-align:left;padding:18px 4px;border-bottom:1px solid var(--line);vertical-align:top;font-size:.96rem}
.comp-table th{width:150px;color:var(--muted);font-weight:700}

/* CTA */
.cta{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 100% at 80% 0%,rgba(31,182,174,.28),transparent 60%),
  radial-gradient(50% 100% at 10% 100%,rgba(44,123,229,.28),transparent 60%)}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative}
.cta h2{font-size:clamp(1.55rem,3.2vw,2.2rem);font-weight:900;line-height:1.55}
.cta p.lead{color:#C4D0E2;margin-top:18px;font-size:1.02rem;max-width:440px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points div{display:flex;align-items:center;gap:12px;font-size:.96rem;color:#E6ECF6}
.cta-points .c{width:22px;height:22px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;flex:none}
.form{background:#fff;border-radius:20px;padding:36px;box-shadow:var(--shadow-lg)}
.form h3{color:var(--navy);font-size:1.18rem;font-weight:900;margin-bottom:6px}
.form .sub{color:var(--muted);font-size:.86rem;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--navy);margin-bottom:7px}
.field label .req{color:var(--warn);font-size:.75rem;margin-left:5px}
.field input,.field textarea,.field select{width:100%;font-family:var(--jp);font-size:.94rem;color:var(--ink);border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;background:#fff;transition:border-color .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--teal)}
.field .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .btn{width:100%;margin-top:6px}
.form .privacy{font-size:.76rem;color:var(--muted);text-align:center;margin-top:14px}
.form .privacy a{text-decoration:underline}

/* Footer */
footer{background:#0A1A30;color:#9FB0C8;padding:56px 0 30px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand .name{display:flex;align-items:baseline;gap:10px}
.foot-brand .name b{color:#fff;font-size:1.35rem;font-weight:900;letter-spacing:.04em}
.foot-brand .name span{font-size:.78rem;color:#7FE3D6;font-weight:700}
.foot-brand p{font-size:.86rem;margin-top:12px;max-width:330px;line-height:1.7}
.foot-cols{display:flex;gap:56px;flex-wrap:wrap}
.foot-col h4{color:#fff;font-size:.82rem;font-weight:700;margin-bottom:14px;letter-spacing:.05em}
.foot-col a{display:block;font-size:.85rem;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:.78rem;color:#6E82A0;flex-wrap:wrap;gap:10px}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---- 会社概要・文書ページ ---- */
.pagehead{padding:64px 0 56px;
  background:radial-gradient(120% 120% at 85% -10%,rgba(31,182,174,.10),transparent 55%),
             radial-gradient(100% 100% at 5% 0%,rgba(44,123,229,.10),transparent 50%),var(--mist);
  border-bottom:1px solid var(--line)}
.pagehead h1{font-size:clamp(1.7rem,3.6vw,2.4rem);font-weight:900;line-height:1.45}
.pagehead p{color:var(--muted);margin-top:12px;font-size:1.02rem;max-width:640px}
.company-page{padding:88px 0 96px;background:var(--mist)}
.backlink{margin-top:44px}
.backlink a{font-weight:700;color:var(--teal);font-size:.95rem}
.ctaband{background:var(--navy);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.ctaband::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 100% at 80% 0%,rgba(31,182,174,.28),transparent 60%),
  radial-gradient(50% 100% at 10% 100%,rgba(44,123,229,.28),transparent 60%)}
.ctaband-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.ctaband h2{font-size:clamp(1.3rem,2.6vw,1.8rem);font-weight:900;line-height:1.55}
.ctaband p{color:#C4D0E2;margin-top:10px;font-size:.98rem}

/* 文書ページ（プライバシーポリシー等） */
.doc{padding:72px 0 96px}
.doc .wrap{max-width:820px}
.doc h2{font-size:1.18rem;font-weight:700;margin:44px 0 12px;padding-top:8px}
.doc h2:first-of-type{margin-top:0}
.doc p{font-size:.96rem;margin-bottom:14px}
.doc ul,.doc ol{padding-left:24px;margin-bottom:14px;display:flex;flex-direction:column;gap:6px;font-size:.96rem}
.doc ul ul,.doc ol ul{margin:6px 0 2px}
.doc table{width:100%;border-collapse:collapse;margin:6px 0 18px;font-size:.92rem}
.doc th,.doc td{text-align:left;padding:10px 14px;border:1px solid var(--line);vertical-align:top}
.doc th{background:var(--mist);color:var(--navy);font-weight:700;white-space:nowrap}
.doc .updated{color:var(--muted);font-size:.88rem;margin-bottom:32px}
.doc .signature{margin-top:36px;text-align:right;color:var(--muted)}

/* ---- フォーム状態（送信 JS 用） ---- */
.form .form-error{display:block;color:var(--warn);font-size:.85rem;font-weight:700;margin:10px 0 0;text-align:center}
.form .form-error[hidden]{display:none}
.field input.invalid,.field textarea.invalid{border-color:var(--warn)}
.form .btn[disabled]{opacity:.6;cursor:default;transform:none;box-shadow:0 8px 22px rgba(31,182,174,.2)}
.form-thanks{text-align:center;padding:28px 6px}
.form-thanks .ic{width:52px;height:52px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.form-thanks h4{color:var(--navy);font-size:1.1rem;font-weight:900;margin-bottom:8px}
.form-thanks p{color:var(--muted);font-size:.92rem}
/* honeypot: 視覚・支援技術の両方から隠す（display:none だと一部 bot が無視するため画面外へ） */
.hp-field{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

/* 404 */
.notfound{min-height:52vh;display:flex;align-items:center;background:var(--mist)}
.notfound .inner{text-align:center;width:100%}
.notfound .code{font-family:var(--mono);font-weight:700;font-size:1rem;color:var(--teal);letter-spacing:.13em}
.notfound h1{font-size:clamp(1.5rem,3.2vw,2.2rem);font-weight:900;margin:10px 0 14px}
.notfound p{color:var(--muted);margin-bottom:28px}

@media(max-width:900px){
  section{padding:70px 0}
  .creed{padding:64px 0 60px}
  .br-sp{display:block}
  .hero-grid,.comp-grid,.cta-grid,.price-model{grid-template-columns:1fr;gap:40px}
  .hero-stack{padding-bottom:96%}
  .hero-stack .s1,.hero-stack .s2{display:none}
  .hero-stack .s3{left:0;top:0}
  .hero-stack .s4{left:8%;top:20%}
  .hero-stack .s5{left:2%;top:44%;width:94%}
  .prob-grid,.step-grid,.honesty-grid,.ins-grid{grid-template-columns:1fr}
  .feat,.feat.flip{grid-template-columns:1fr;gap:26px}
  .feat.flip .feat-txt{order:0}
  .nav-links{display:none}
  .comp-mission{padding:36px 28px}
  .company-page{padding:64px 0 72px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}